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OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />5slic~(oy <br />POND F <br />RISER CREST = 6827.0; DEWATER HOLE = 6823.0 <br />OPERATIONAL STATUS AT TIME OF IN'SPECT]ON <br />Approximate water level: ~ ~~ (~l3 w~~l <br />0 <br />Sediment level(% totalstorage) '` 5 /~ <br />Outnow (cts>: N IF <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation ~ <br />Outlet Channel Erosion <br />Burrows ~ ' <br />Other I/ <br />STRUCTURAL: <br />Differential Settling l/ <br />Cracks or Slides / <br />Seepage ~~ <br />Other `~ <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged / <br />Faulty Gates, Bafnes, Pumps <br />Other ".~ <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: d~1P.. ~ r f, <br />is/pond/grilypnd/Pondinsp.doc <br />